Index: src/bp-activity/bp-activity-admin.php
===================================================================
--- src/bp-activity/bp-activity-admin.php	(revision 12658)
+++ src/bp-activity/bp-activity-admin.php	(working copy)
@@ -741,6 +741,12 @@
  * @param object $item Activity item.
  */
 function bp_activity_admin_edit_metabox_status( $item ) {
+	$delete_url = add_query_arg( array(
+		'page'     => 'bp-activity',
+		'action'   => 'delete',
+		'aid'      => $item->id,
+		'_wpnonce' => wp_create_nonce( 'spam-activity_' . $item->id )
+	), bp_get_admin_url( 'admin.php' ) );
 ?>
 
 	<div class="submitbox" id="submitcomment">
@@ -783,6 +789,10 @@
 		</div><!-- #minor-publishing -->
 
 		<div id="major-publishing-actions">
+			<div id="delete-action">
+				<a class="submitdelete deletion" href="<?php echo esc_url( $delete_url ); ?>" onclick="javascript:return confirm('<?php echo esc_js( __( 'Are you sure?', 'buddypress' ) ); ?>')"><?php _e( 'Delete Permanently', 'buddypress' ) ?></a>
+			</div>
+
 			<div id="publishing-action">
 				<?php submit_button( __( 'Update', 'buddypress' ), 'primary', 'save', false ); ?>
 			</div>